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CVE-2011-20001: Improper Input Validation

🗓️ 14 Oct 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated remote DoS in SIMATIC S7-1200 CPU via malformed HTTP traffic.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2011-20001
21 Oct 202510:00
–circl
cnnvd
CNNVD
Siemens SIMATIC S7-1200 CPU V1 family和Siemens SIMATIC S7-1200 CPU V2 family 输入验证错误漏洞
14 Oct 202500:00
–cnnvd
cve
CVE
CVE-2011-20001
14 Oct 202509:14
–cve
cvelist
Cvelist
CVE-2011-20001
14 Oct 202509:14
–cvelist
euvd
EUVD
EUVD-2011-5262
14 Oct 202509:14
–euvd
nvd
NVD
CVE-2011-20001
14 Oct 202510:15
–nvd
ptsecurity
Positive Technologies
PT-2025-41862
14 Oct 202500:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2011-20001
15 Oct 202509:54
–redhatcve
vulnrichment
Vulnrichment
CVE-2011-20001
14 Oct 202509:14
–vulnrichment

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15 Apr 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
CVSS 48.7
EPSS0.00468
SSVC
0